258693215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{6263}}^1$

素因数の和:7030

約数の個数: 16

約数和(自身を含む): 339158016

約数和(自身を除く): 80464801

約数列:

[1, 5, 11, 55, 751, 3755, 6263, 8261, 31315, 41305, 68893, 344465, 4703513, 23517565, 51738643, 258693215]

約数ペア:

[(1, 258693215), (5, 51738643), (11, 23517565), (55, 4703513), (751, 344465), (3755, 68893), (6263, 41305), (8261, 31315)]